Abstract: Embodiments related to the use of depth imaging to augment speech recognition are disclosed. For example, one disclosed embodiment provides, on a computing device, a method including receiving depth information of a physical space from a depth camera, receiving audio information from one or more microphones, identifying a set of one or more possible spoken words from the audio information, determining a speech input for the computing device based upon comparing the set of one or more possible spoken words from the audio information and the depth information, and taking an action on the computing device based upon the speech input determined.